South Korea’s impeached President Yoon Suk Yeol was formally arrested early on Sunday, days after being apprehended at his presidential compound in Seoul. He faces possible imprisonment over his ill-fated declaration of martial law last month.

South Korea's political crisis deepened early Sunday as President Yoon Suk Yeol was formally arrested following his controversial declaration of martial law last month. The Seoul Western District Court approved an arrest warrant for Yoon after an hourslong deliberation,

The development, which followed a failed arrest attempt earlier in January, deepens the fallout from his short-lived declaration of martial law last month.